Destroy all creatures. Creature cards in your hand perpetually get +1/+1.

Flying

At the beginning of each upkeep, create a 1/1 black and green Pest creature token with "When this creature dies, you gain 1 life."

Pay 10 life: Untap all lands you control. Activate only once each turn.

Ultima Founding — , Tap two untapped artifacts you control: Create a 2/2 white Astartes Warrior creature token with vigilance.

Master of Machines — , Tap X untapped creatures you control: Look at the top X cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Landfall — Whenever a land you control enters, Belligerent Whiptail gains first strike until end of turn.

Haste

As long as you had another creature enter the battlefield under your control this turn, Bellowing Elk has trample and indestructible.

At the beginning of your end step, each player loses 4 life unless they sacrifice a nontoken creature of their choice.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Other green creatures you control have intimidate.

Starting intensity 1

Whenever Bellowsbreath Ogre attacks, it deals damage equal to its intensity to any target, then perpetually increase its intensity by 1.

: You get (two energy counters).

, Pay : Tap target creature.

, Pay : Draw a card.

Pay : Bespoke Battlewagon becomes an artifact creature until end of turn.

Crew 4

Enchant creature

When Bewitching Leechcraft enters, tap enchanted creature.

Enchanted creature has "If this creature would untap during your untap step, remove a +1/+1 counter from it instead. If you do, untap it." (Otherwise, it doesn't untap.)

Deathtouch

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

Flying

When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.)

Threshold — This creature gets +2/+1 as long as there are seven or more cards in your graveyard.

Whenever an Angel you control enters, you gain 4 life.

Whenever an Angel you control dies, create a 1/1 white Spirit creature token with flying.

As an additional cost to cast this spell, you may collect evidence 6. This spell costs less to cast if evidence was collected. (To collect evidence 6, exile cards with total mana value 6 or greater from your graveyard.)

Target creature you control gets +2/+0 until end of turn. It deals damage equal to its power to target creature you don't control.

You may exert Bitterblade Warrior as it attacks. When you do, it gets +1/+0 and gains deathtouch until end of turn. (An exerted creature won't untap during your next untap step.)

Deathtouch

When Bitterheart Witch dies, you may search your library for a Curse card, put it onto the battlefield attached to target player, then shuffle.

Enchant creature

Enchanted creature has protection from black. This effect doesn't remove Black Ward.

Tap two other untapped artifacts you control: Bladewheel Chariot becomes an artifact creature until end of turn.

Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Flying, haste

Whenever Bladewing, Deathless Tyrant deals combat damage to a player or planeswalker, for each creature card in your graveyard, create a 2/2 black Zombie Knight creature token with menace.

Enchant creature

Enchanted creature gets +1/+1 for each Forest you control.

: Blazing Rootwalla gets +2/+0 until end of turn. Activate only once each turn.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Target player's life total becomes 20.

: Add .

, , Sacrifice Blighted Woodland: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

: Add .

Flying, deathtouch

Whenever you cast your first spell during each opponent's turn, look at the top card of that player's library, then exile it face down. You may play that card for as long as it remains exiled, and mana of any type can be spent to cast it.

Equipped creature has "Unattach Blinding Powder: Prevent all combat damage that would be dealt to this creature this turn."

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Whenever you cast an instant or sorcery spell, Blistercoil Weird gets +1/+1 until end of turn. Untap it.

More Than Meets the Eye (You may cast this card converted for .)

At the beginning of your end step, target opponent loses life equal to the life that player lost this turn. If no life is lost this way, convert Blitzwing.

Flying

Bloatfly Swarm enters with five +1/+1 counters on it.

If damage would be dealt to Bloatfly Swarm while it has a +1/+1 counter on it, prevent that damage, remove that many +1/+1 counters from it, then give each player a rad counter for each +1/+1 counter removed this way.

, Sacrifice Bloodfire Dwarf: It deals 1 damage to each creature without flying.

Whenever you draw your second card each turn, Bloodhaze Wolverine gets +1/+1 and gains first strike until end of turn.

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.)

Bloodsworn Knight's power and toughness are each equal to the number of creature cards in your graveyard.

, Discard a card: Bloodsworn Knight gains indestructible until end of turn. Tap it. (Damage and effects that say "destroy" don't destroy it.)

Flying

Commander creatures you control get +2/+2 and have haste.

Flying

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

When Bloodwater Entity enters, you may put target instant or sorcery card from your graveyard on top of your library.

: Add two mana of any one color.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

Blow Off Steam deals 1 damage to any target. (Then exile this card. You may cast the creature later from exile.)

Whenever a creature dies, if it had a -1/-1 counter on it, put a -1/-1 counter on target creature.

Gain control of target creature with mana value X or less. If X is 5 or more, create a token that's a copy of that creature.

Look at the top five cards of your library. You may reveal a historic card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. (Artifacts, legendaries, and Sagas are historic.)

Body of Knowledge's power and toughness are each equal to the number of cards in your hand.

You have no maximum hand size.

Whenever Body of Knowledge is dealt damage, draw that many cards.

, , Discard a card: Add .

Bog Wreckage enters tapped.

: Add .

, Sacrifice Bog Wreckage: Add one mana of any color.

When Boggart Trawler enters, exile target player's graveyard.

Trample

When Boldwyr Heavyweights enters, each opponent may search their library for a creature card and put it onto the battlefield. Then each player who searched their library this way shuffles.

Boltwave deals 3 damage to each opponent.

Equipped creature gets +1/+0.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Trample

When Bookwurm enters, you gain 3 life and draw a card.

: Put Bookwurm from your graveyard into your library third from the top.